/*该DIV的宽度将会占据整个页面的宽度*/
.head_ad {
	width: 100%;
	margin: 0 auto;
	border:0;
	padding: 0px;
	float: left;
	position: relative;
}
/*该DIV里面是公司LOGO和搜索所在区域*/
.logo_search {
	width: 100%;
	margin: 0 auto;
	border:0;
	border:0px;
	padding: 0px;
	float: left;
	
}
/*该span为公司LOGO所在的区域*/
.logo {
	margin: 0px;
	padding: 0px;
	border:0;
	border:0px;
	float: left;
	overflow:hidden;
	height:100px;
	width:130px;
	
}
/*该span为公司搜索所在的区域*/
.search {
	width:850px;
	margin: 0px;
	padding: 0;
	border:0;
	border:0px;
	float: right;
}
/*头部删除按钮*/
.delete{
	position: absolute;
	top: 5px;
	right: 5px;
	cursor: pointer;
}
.search_login{
	color:#3B3B1F;
	background-color: #EAEAD1;
}
